DIYbanter - O/T: And The Creek Keeps Ris'n

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April 9th 11 01:42 AM

O/T: And The Creek Keeps Ris'n

On Fri, 8 Apr 2011 07:55:09 -0400, "J. Clarke"
wrote:

In article ,
says...

And cars don't charge for 14 hours a day.
Check it out.
Martin

On 4/7/2011 10:52 PM, zzzzzzzzzz wrote:
On Thu, 07 Apr 2011 22:37:41 -0500, Martin Eastburn
wrote:

Electric cars don't drag down the grid near as bad as you think.

The socket is 120 or 220. Think 120 - can't be above 30 amps.
Turn on a range top or oven on an electric stove and you exceed
what the car draws.

300M people don't leave their electric stoves on 14hrs a day.

The notion that the electric car can't draw above 30 amps is based in
flawed assumptions. While they can be charged from a 15 amp wall
outlet, that's a very slow charge that will take a day or more to bring
a fully discharged electric to capacity--it's intended as a convenience
feature, not the normal means of charging. The standard charge is 220v
using a dedicated circuit and special connector that can deliver up to
80 amps. Some models also have a DC fast charger that typically works
at several hundred volts and several hundred amps. The fast charger
generally requires a separate hookup from the utility company.

Many fork lift truck chargers run off 3 phase power.550 or 600 volt
primary.

J. Clarke[_2_]

April 9th 11 03:24 AM

O/T: And The Creek Keeps Ris'n

In article ,
says...

On Fri, 8 Apr 2011 07:55:09 -0400, "J. Clarke"
wrote:

In article ,
says...

And cars don't charge for 14 hours a day.
Check it out.
Martin

On 4/7/2011 10:52 PM, zzzzzzzzzz wrote:
On Thu, 07 Apr 2011 22:37:41 -0500, Martin Eastburn
wrote:

Electric cars don't drag down the grid near as bad as you think.

The socket is 120 or 220. Think 120 - can't be above 30 amps.
Turn on a range top or oven on an electric stove and you exceed
what the car draws.

300M people don't leave their electric stoves on 14hrs a day.

The notion that the electric car can't draw above 30 amps is based in
flawed assumptions. While they can be charged from a 15 amp wall
outlet, that's a very slow charge that will take a day or more to bring
a fully discharged electric to capacity--it's intended as a convenience
feature, not the normal means of charging. The standard charge is 220v
using a dedicated circuit and special connector that can deliver up to
80 amps. Some models also have a DC fast charger that typically works
at several hundred volts and several hundred amps. The fast charger
generally requires a separate hookup from the utility company.

Many fork lift truck chargers run off 3 phase power.550 or 600 volt
primary.

Good point. Perhaps if electric cars become commonplace three phase
will become the residential norm, in which case let's push for electric
cars :)

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